Open Access Physical-Layer Exploits on EV Chargers: Authentication and Systemic Protocol Weaknesses Hetian Shi, Shangru Song, Yi He, Zhenhao Tian, Jianwei Zhuge and Jian Mao Received: 11 December 2025 / Revised: 13 March 2026 / Accepted: 30 April 2026 DOI: https://doi.org/10.1051/sands/2026012 PDF (6.900 MB)